I am selling my Billy Boat / B&B exhaust; B&B shortened the tips on this specifically for fitment on a E90. Only used ~200 miles, it is about as close to new without being new as you can get. Looks and sounds awesome, very deep and throaty, unfortunately, it's a little loud for me around town and sets off an alarm in the parking garage at work on cold start. I would classify the volume as between a sport and a race.

Roddy-I know you said it was loud-but you say you only used it 200 miles. I have had mine on for about 1,000 now and it has mellowed/quieted down a bit.

I was going to post that too! Usually an exhaust mellows out after awhile.

Roddy, is it that loud? If so then I recommend the Megan Racing exhaust since I hear it's pretty quiet (that is, until you get an aftermarket x-pipe, hehe). I'd love to hear it in person sometime if you haven't sold it by then.

I'm not sure if it is that loud or if it is just louder than what I was thinking it was going to be. If it doesn't sell soon, it will probably be back on my car and I'll give it another go. Hope the car with the alarm in my parking garage has a well charged battery by then...

I wish we weren't so far away I'd love for you to listen to mine. Have you had a chance to listen to another B&B that is broken in? I think you would love it. This exhaust is very underrated on this forum and with the M3 community.

I wish we weren't so far away I'd love for you to listen to mine. Have you had a chance to listen to another B&B that is broken in? I think you would love it. This exhaust is very underrated on this forum and with the M3 community.

Yes it is! I'm not too fond of some domestic exhaust companies since fitment's not all there often at times compared to their Euro & Japanese competitors but B&B Tri-Flow's pretty good. My buddy has their Fusion exhaust on his Z06 & not only does it sound bada$$, fitment's very good!

Roddy, GLWS if you decide not to keep it. IMHO, try it out again for another 800-1000 miles to see if it quiets down to your liking because that's a huge financial lost just using it for only 200-miles.